Description

The new CMA Unequal Length Exhaust Manifold/Header is now available.  This is a direct replacement for your factory exhaust manifold to save weight, improve the exhaust flow while producing an aggressive sound and provide an increase in both horsepower and torque. This exhaust manifold is a great way to really improve the response from your turbocharger from stock to aftermarket as the response and flow will be optimized for decreased spool times, and a faster response. 

Specifications

  • High-efficiency 4-1 type
  • Unequal-length design
  • Increase in piping diameter with smooth bends
  • Produces an aggressive Subaru rumble
  • Lightweight 
  • SUS 304 stainless steel materials
  • Includes new gaskets, hardware, which allows this manifold to be ready for installation

What's Included

  • EXHAUST MANIFOLD (1)
  • GASKET (ENGINE SIDE) (2)
  • GASKET (JOINT PIPE SIDE) (1)
  • EXHAUST REFLECTIVE HEAT SHEET (1)
  • FLANGE BOLT (2)
  • FLANGE NUT (2)
  • BOLT SMOOTH PASTE (1)
  • Includes all gaskets, nuts, bolts etc. required for installation.

Compatibility

  • 2001-2014 Subaru WRX
  • 2001-2021 Subaru STI

The new CMA Unequal Length Exhaust Manifold/Header is now available.  This is a direct replacement for your factory exhaust manifold to save weight, improve the exhaust flow while producing an aggressive sound and provide an increase in both horsepower and torque. This exhaust manifold is a great way to really improve the response from your turbocharger from stock to aftermarket as the response and flow will be optimized for decreased spool times, and a faster response. 

  • High-efficiency 4-1 type
  • Unequal-length design
  • Increase in piping diameter with smooth bends
  • Produces an aggressive Subaru rumble
  • Lightweight 
  • SUS 304 stainless steel materials
  • Includes new gaskets, hardware, which allows this manifold to be ready for installation
  • EXHAUST MANIFOLD (1)
  • GASKET (ENGINE SIDE) (2)
  • GASKET (JOINT PIPE SIDE) (1)
  • EXHAUST REFLECTIVE HEAT SHEET (1)
  • FLANGE BOLT (2)
  • FLANGE NUT (2)
  • BOLT SMOOTH PASTE (1)
  • Includes all gaskets, nuts, bolts etc. required for installation.
  • 2001-2014 Subaru WRX
  • 2001-2021 Subaru STI

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